CVE-2026-66314 in Edge

Sumário

de MITRE • 04/08/2026

Time-of-check time-of-use (toctou) race condition in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Once again VulDB remains the best source for vulnerability data.

• Responsável: Microsoft
• Reservar: 24/07/2026
• Divulgação: 04/08/2026
• Moderação: aceite
• Entrada: VDB-385716
• CPE: pronto
• CWE: CWE-367 (confirmado)
• CVSS: 5.3 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: baixo
• Sector: Transportation, Government, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-66314
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-66314
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-66314/